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-rw-r--r--src/oh-strip.sh92
1 files changed, 92 insertions, 0 deletions
diff --git a/src/oh-strip.sh b/src/oh-strip.sh
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--- /dev/null
+++ b/src/oh-strip.sh
@@ -0,0 +1,92 @@
+#! /bin/sh
+#
+# opkhelper
+# src/oh-strip
+# Strip binary objects of symbols.
+#
+# Copyright (C) 2012 Patrick "P. J." McDermott
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+print_usage()
+{
+ printf 'Usage: %s [-g] [-l] binaryfile...\n' "$1"
+}
+
+error()
+{
+ printf 'oh-strip: Error: %s\n' "${1}"
+ exit 1
+}
+
+opts=$(getopt -n "${0}" -o 'gl' -- "${@}")
+if [ ${?} -ne 0 ]; then
+ print_usage "${0}" >&2
+ exit 1;
+fi
+eval set -- "${opts}"
+while true; do
+ case "${1}" in
+ -g)
+ make_dbg_obj=true
+ shift
+ ;;
+ -l)
+ is_lib=true
+ shift
+ ;;
+ --)
+ shift
+ break
+ ;;
+ *)
+ print_usage "${0}" >&2
+ exit 1
+ ;;
+ esac
+done
+
+if [ -z "${make_dbg_obj}" ]; then
+ make_dbg_obj=false
+fi
+if [ -z "${is_lib}" ]; then
+ is_lib=false
+fi
+
+if [ ${#} -eq 0 ]; then
+ print_usage ${0} >&2
+ exit 1
+fi
+
+# Iterate over object files.
+while [ ${#} -gt 0 ]; do
+ printf 'oh-strip: Stripping symbols from file "%s"...\n' "${1}"
+
+ if ${make_dbg_obj}; then
+ # Copy debugging symbols into a debugging object file and add a GDB link
+ # from the original object file to the debugging object file.
+ mkdir -p "$(dirname "dest/usr/lib/debug/${1}")" || \
+ error 'Cannot make directory path to debugging object'
+ objcopy --only-keep-debug --compress-debug-sections "dest/${1}" \
+ "dest/usr/lib/debug/${1}" || error 'Cannot make debugging object'
+ objcopy --add-gnu-debuglink="dest/usr/lib/debug/${1}" "dest/${1}" || \
+ error 'Cannot add GDB link'
+ chmod 644 "dest/usr/lib/debug/${1}" || \
+ error 'Cannot set mode on debugging object'
+ fi
+ # Strip the object file of symbols.
+ # TODO: If the file is not a library, strip it of all symbols.
+ strip -g "dest/${1}" || error 'Cannot strip object'
+ shift
+done